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Hovermap is a 3D lidar mapping and autonomy payload suitable for small rotorcraft Unmanned Aerial Vehicles (UAVs). It utilises our proprietary Simultaneous Localisation and Mapping (SLAM) solution to generate 3D point clouds and therefore does not require GPS. This allows low-cost, high-resolution UAV-based lidar mapping both indoors and outdoors. The lidar is also used in real-time for collision avoidance, providing a virtual safety sphere around the UAV.

Hovermap is currently being commercialised by Emesent Autonomy and will be available to purchase in Q4 2017. The commercial version will include RGB cameras to colour the point cloud and conduct visual inspections. An Early Adopter Program has been launched for beta testing of this version. For more information please contact: Stefan Hrabar.

Hovermap100 prototype mounted to UAV

Commercial version of Hovermap100

The payload is a self-containted unit and can therefore be mounted to any suitable rotorcraft UAV without the need for autopilot integration. As the unit rotates is produces a full spherical field of view around the UAV with minimal occlusion from the UAV airframe. This makes it possible to map above, below and all around simultaneously so Hovermap is suitable for mapping indoors, underground and underneath overhanging structures such as bridges.

Map Generation

Lidar data is logged onboard to removable storage media during a mapping flight and then uploaded to a server for processing. Multiple maps with overlapping portions can automatically be combined.

Applications

Asset management

Infrastructure and building inspection

Forensic crime scene mapping

Underground mine mapping

Specifications

Hovermap100

Lidar

Velodyne Puck Lite (VLP-16)

Lidar Range

Up to 100m

Lidar Dual Return

Yes

Lidar Intensity Values

Yes

Lidar Scan planes

16

Lidar Accuracy (local)

+/- 3cm

3D Measurement Accuracy

(Global SLAM accuracy)

+/- 0.1% (typically)

Angular Field of View

360 x 360 degrees

Max Map Size

Unlimited*

Data Acquisition Speed

Up to 300,000 measurement points/sec

Recommended Flight Speed

up to 5 m/s (scene dependant)

Laser Safety Class

Class 1 Eye Safe

Power

50-60W

Weight

1500g

Point Cloud Format

.laz, .ply

*Individual maps limited by available onboard storage. Separate maps can be merged